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Fujitsu ARXG24KMLA User Manual

Fujitsu ARXG24KMLA
228 pages
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AIR CONDITIONER
Simultaneous multi
DESIGN & TECHNICAL MANUAL
INDOOR
AUXG18KVLA × 2
AUXG22KVLA × 2
AUXG24KVLA × 2
AUXG18KVLA × 3
ARXG18KLLAP × 2
ARXG18KLLAP × 3
ARXG22KMLA × 2
ARXG24KMLA × 2
OUTDOOR
AOYG36KRTA AOYG45KRTA
AOYG54KRTA
DR_SM003EF_03
2020.09.29

Table of Contents

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Fujitsu ARXG24KMLA Specifications

General IconGeneral
Heating Capacity8.0 kW
Energy Efficiency Ratio (EER)3.21
Energy Efficiency Class CoolingA++
Energy Efficiency Class HeatingA+
Power Supply220-240V, 50Hz
RefrigerantR32

Summary

Part 1. INDOOR UNIT

2-1. Compact cassette type

Technical specifications for compact cassette indoor units covering airflow, power, and dimensions.

2-2. Slim duct type

Technical specifications for slim duct indoor units, detailing performance and dimensions.

2-3. Duct type

Technical specifications for duct type indoor units, including airflow and electrical data.

3-1. Compact cassette type

Dimensional drawings and specifications for compact cassette indoor units.

3-2. Slim duct type

Dimensional drawings and specifications for slim duct indoor units.

3-3. Duct type

Dimensional drawings and specifications for duct type indoor units.

Installation space requirement

Specifies the required installation space for duct type indoor units.

Maintenance space requirement

Specifies the required maintenance space for duct type indoor units.

4. Wiring diagrams

Illustrates electrical wiring diagrams for different indoor unit types.

4-1. Compact cassette type

Wiring diagrams specific to compact cassette indoor units.

4-2. Slim duct type

Wiring diagrams specific to slim duct indoor units.

4-3. Duct type

Wiring diagrams specific to duct type indoor units.

9. Electrical characteristics

Details electrical specifications, including power supply and wiring.

10. Safety devices

Information on safety devices like fuses and thermal protectors.

Part 2. OUTDOOR UNIT

1. Specifications

Provides key technical specifications for outdoor units.

2. Dimensions

Presents dimensional data for outdoor units.

2-1. Model: AOYG36KRTA

Dimensional drawings for the AOYG36KRTA outdoor unit.

3. Installation space

Specifies required installation space for outdoor units.

3-1. Models: AOYG36KRTA, AOYG45KRTA, and AOYG54KRTA

Installation space requirements for specified outdoor unit models.

Multiple outdoor unit installation

Installation space guidelines for multiple outdoor units.

Outdoor unit installation in multi-row

Guidelines for installing outdoor units in multi-row configurations.

Part 3. SYSTEM DESIGN

1. Installation precautions

General precautions for system installation.

1-1. Indoor unit installation precautions

Specific precautions for indoor unit installation.

1-2. Outdoor unit installation precautions

Specific precautions for outdoor unit installation.

2. Pipe design

Covers important aspects of refrigerant pipe design and selection.

2-1. Important items when using refrigerant (R32)

Key considerations for using R32 refrigerant in piping.

2-2. Piping limitation

Limits and rules for refrigerant piping length and height differences.

Twin type

Piping limitations for twin indoor unit systems.

Triple type

Piping limitations for triple indoor unit systems.

2-3. Pipe size

Guidelines for selecting appropriate pipe sizes.

¢ Pipe size selection

Guide to selecting appropriate pipe sizes for the system.

3. Pipe installation

Provides guidelines and cautions for refrigerant pipe installation.

3-1. Caution of piping

Important cautions and guidelines for piping installation.

3-2. Piping to outdoor unit

Procedure for piping connections to the outdoor unit.

3-3. Pipe connection

Steps and cautions for connecting refrigerant pipes.

¢ Precautions for connecting simultaneous operation multi

Precautions for connecting multi-operation systems.

¢ Connecting the pipes

Steps and cautions for connecting refrigerant pipes.

4. Wiring design

Details electrical wiring design considerations.

4-1. Precaution for electrical wiring

Essential precautions for safe and correct electrical wiring.

4-2. Power supply cable wiring

Specifications and guidelines for power supply cables.

¢ Power supply cable wiring

Details wiring configurations for power supply cables.

¢ Wiring connection rules

Rules and best practices for wiring connections.

¢ Wiring method

Explains the overall wiring method and diagrams.

¢ Recommended wiring connection

Recommended wiring connection examples for multi-unit systems.

8. Function settings

Details various function settings and configurations.

8-1. Outdoor unit

Settings and controls for the outdoor unit PCB and switches.

¢ Switch buttons and the functions

Explains the functions of outdoor unit switch buttons and LEDs.

 Function setting table

Table detailing function settings and corresponding LED displays.

¢ Local setting procedure

Procedure for setting functions locally on the outdoor unit.

 Low noise mode

Step-by-step guide for setting the low noise mode.

 Peak cut mode

Step-by-step guide for setting the peak cut mode.

8-2. Compact cassette type (setting by DIP switch)

Function settings for compact cassette units using DIP switches.

8-3. Slim duct type (setting by DIP switch)

Function settings for slim duct units using DIP switches.

8-4. Duct type (setting by DIP switch)

Function settings for duct units using DIP switches.

¢ Component location

Location of DIP switches on the indoor unit PCB.

¢ DIP switch setting

Details DIP switch settings for various functions.

• SW100: Remote controller address setting

Setting remote controller addresses using SW100.

8-5. Indoor unit (setting by wireless remote controller)

Setting functions using a wireless remote controller.

¢ UTY-LNTY (included in UTY-LBTYM)

Button functions and overview of UTY-LNTY remote controller.

8-6. Indoor unit (setting by wired remote controller)

Setting functions using a wired remote controller.

¢ UTY-RNNYM

Button functions and overview of UTY-RNNYM remote controller.

8-7. Indoor unit (setting by simple remote controller)

Setting functions using a simple remote controller.

¢ Preparation

Preparation steps before setting simple remote controller functions.

¢ UTY-RSNYM

Button functions and overview of UTY-RSNYM remote controller.

 Button name and function

Explains the buttons and functions of the UTY-RSNYM controller.

 Function setting procedure

Step-by-step procedure for setting functions via simple remote.

 Setting up each indoor unit

Procedure for setting up individual indoor units with simple remote.

 Resetting the power after setting up function of all indoor units

Power reset procedure after setting up all units.

8-8. Function details

Detailed explanation of various function settings.

¢ Contents of function setting

Lists adjustable function settings.

 Function setting list

Table summarizing function settings for different unit types.

1) Refrigerant circuit address

Setting for refrigerant circuit address.

11) Remote controller custom code

Setting custom codes for wireless remote controllers.

9. Check and test

Procedures for checking and testing the system.

9-1. Test run

Steps for performing a test run of the system.

¢ Pre-test run check items

Items to check before performing a test run.

¢ Test operation method

Method for conducting test operations.

Checklist

Checklist of items to verify during test operation.

9-2. Error code

Lists and explains error codes for troubleshooting.

¢ Error display mode

How errors are displayed on the unit.

¢ Error code check table

Table detailing error codes and their meanings.

9-3. Pump down

Procedure for pump down operation.

¢ Pump down procedure

Step-by-step guide for pump down.

Part 4. OPTIONAL PARTS

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